<form action="" method="post">
    <input name="{$tipo}" value="1" type="hidden" />
    
    <label>Orden: <input name="orden_fabricacion" required="" value="{$datos.orden_fabricacion|default:""}"/></label><br />
    <label>No parte: <select name="no_parte" required="">
    <option value="0">Selecciona # Parte </option>
    {html_options values=$select[0] output=$select[1] selected=$datos.no_parte|default:"0"}
    </select></label><br />
    <label>Maquina: <input name="maquina" required="" value="{$datos.maquina|default:""}" /></label><br />
    <input type="submit" value="Guardar"/>
</form>